package org.example.thread;

import java.util.TreeMap;

/**
 * @author zhaorui
 * @Date 2024/1/17  9:06
 * @description:
 */
public class TestMap {

    public static void main(String[] args) {
        TreeMap<String, String> tr = new TreeMap<>();
        tr.put("","");
    }

}
